WSJ's Jennifer Corbett Dooren details how the 2010 health law has resulted in lesser-than-expected numbers of lower-income children signing up for new plans. Photo: Getty Images.

This transcript has been automatically generated and may not be 100% accurate.

... the the ... I will that twenty ten health law gave the potential boasted dental coverage for children ... but it's not clear whether dental plan will be affordable how many parents will sign up this fall ... this is one example where the detail that lie in the fine print here with our is Jennifer Corbett Dorren Jennifer thanks for joining me this morning ... I think you ... do when you look at on the face of it adding children to dental plans that seemed like a great moving forward but you're saying that really ... whether or not parents will jump onboard live in the fine print have a lot of these plans tells more about it ... yet well ... into the Hulk law allows met our dental ... The gentle piece of that to be separated out from the medical ... and this reflects the way that it's that most big companies to leave a separate medical plan to separate them ... and so that I is is that if it separated out their ... parents may just offer the medical and the potential piece ... of the NL ... it's not clear what will happen ... so at this point on the health of some kid Ardi have access to some Double Plant how all this whiteness go ... I and you will people care if you think jump onboard if there's no fine if they do not get on board which is as we know of a company's health worsened ... break out of the most it's right now most kids actually do have dental insurance this is a fairly small slice of kids estimated eighty five million children don't have dental insurance ... and ... I think ... no thought as most here's how the two one with the kids on a sound plan by if you're if you're struggling in your it may be struggling to pay for the medical piece and you don't have enough left for the densely may not sign up ... people with low incomes will get subsidies to buy the medical and dental coverage those issues not ... clear exactly how much we cover ... said this pointed out they're still deciding how Bribie who died dental coverage to be what are you hearing from ... I've The dent said any industry that how this plan will affect their business ... what the dentist it's and it's a it's good to the dentist because it's private Dell insurance reimbursements probably mean higher than say Medicaid ... a lot of dentists don't take Medicaid which is that the program that covers aam ... you know a lot of ... adults and following from children ... we look at it from the business signing corporate corporations you are ... looking at the health care or other acts coming down and then the changes that will take place in the fall ... well um how will this affect the small business isn't that kind of thing aam I can use a lot of the D tells are still emerging but any sense about rate now ... why the ... double piece of me that a lot to smile was forced to offer ... medical coverage on although it's not common for small pieces to stop or down to ... the employee only so it that's in cases breed you have kids who are covered ... so the whole plot is designed to help to help cover the skids ... write thank you so much than ever to for joining us now worth anybody can read more about this ... on WS J live